●PERFECTLY CLEAR LAMINATE RESIN - Excellent Fiberglass Wetting for Laminating, and glossing. ~ 400 cPs Viscosity Resin. This polyester resin is not for casting or pouring. It is formulated to provide a perfect clear gloss finish when brushed on as a coat or laminate. All polyester resins are not the same. Viscosity, density and temperatures are formulated for a wide range of uses. Dual Cure means it can be cured two ways; by the sun or UV light, or by using MEKP hardener.